diff --git a/CITATION.cff b/CITATION.cff
new file mode 100644
index 0000000..25b55b2
--- /dev/null
+++ b/CITATION.cff
@@ -0,0 +1,13 @@
+cff-version: 1.1.0
+message: "If you use this software, please cite it using the paper below."
+authors:
+  - family-names: Pettersson
+    given-names: William
+    orcid: "https://orcid.org/0000-0003-0040-2088"
+  - family-names: Ozlen
+    given-names: Melih
+    orcid: "https://orcid.org/0000-0001-5902-1402"
+title: "Multi-objective integer programming: Synergistic parallel approaches"
+version: 1.0.0
+date-released: 2021-07-28
+
diff --git a/README.md b/README.md
index 067bd07..5eed8e9 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,10 @@
 # README #
 
-This is a multi-objective integer programming (MOIP) algorithm, which is heavily based on the work discussed in the following paper.
+This is a multi-objective integer programming (MOIP) algorithm, which is heavily based on the work discussed in
+Ozlen, M., Burton, B. A., & MacRae, C. A. (2014). Multi-objective integer programming: An improved recursive algorithm. Journal of Optimization Theory and Applications. doi: 10.1007/s10957-013-0364-y
 
-Ozlen, M., Burton, B. A., & MacRae, C. A. (2014). Multi-objective integer programming: An improved recursive algorithm. Journal of Optimization Theory and Applications, 160(2), 470-482.
+The parallel elements are documented in
+W. Pettersson, M. Ozlen (2019). Multi-objective integer programming: Synergistic parallel approaches. INFORMS Journal on Computing 2019; doi: 10.1287/ijoc.2018.0875 
 
 The original algorithm implementation can be found at https://bitbucket.org/melihozlen/moip_aira/ but this version has significant changes, noticeably a switch to C++ and boost for various utility functions, as well as the use of parallel processing.